Year	%
1996	20.16
1999	16.51
2000	16.55
2001	12.29
2002	11.32
2003	11.16
2006	2.69
2007	9.25
2010	11.75
2011	11.61
2012	9.97
2013	9.97
2015	9.69
2016	10
2017	9.66
2018	10.17
2019	10.03
2020	9.88
2021	9.32